Chlorophyll is a green pigment. It is essential for photosynthesis.

Given this information, can you guess which area of the leaf shown below will photosynthesize?

Area “a”.

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Area “b”.

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Both areas “a” and “b”.

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None of the above.

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Solution

The correct option is B
Area “b”.

Only areas of the leaf containing chlorophyll can perform photosynthesis. Since, chlorophyll is a green pigment it imparts this green color to the leaf. Hence, parts of the leaf that do not have chlorophyll do not have a green color and appear white. Thus option A is correct as only the green areas (which contain chlorophyll) can perform photosynthesis.

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